My in laws are difficult to live with

My mother in law has been interfering from day 1. My husband and I have been living with them. My husband hasn't been able to get full time work since graduating. His parents worked I out a day after it was confirmed was pregnant. My mother in law is Christian so thinks she can judge people.
I found out was pregnant after I lost my job and got no redundancy.

I've had several things so wrong. I was sent around In circles and the counselling was RUBBISH.
My father in law is also OCD about cleaning. But no ones got a choice. And I went undiagnosed with an inactive thyroid. The chronic fatigue was the worst.
I was made to go into mother and baby ward for 2 months.
I'm currently studying too. I resent my judegemental mother in law, who never had financial difficulties or been in a MBU ward.

To make it worse my aggressive, bossy sister in law has also moved in.

That sounds rough. But it sounds like you should move out.
My husband has been made redundant several times and we somehow just make it worth with living etc. Sounds like you'd be best to move out and be away from the drama.
(Oh and just because she's a Christian doesn't mean she's thinks she should judge people. Judging people isn't exclusive to that. Sorry. ..I couldn't let that go. )
I hope you can sort out some new living arrangements.

If you are there are always ways to move out.
Start by looking for cheap rentals. Hundreds of thousands people don't work and still manage to live on their own. If you have special needs and need extra assistance than ask for a centre link social work appointment and they will help find the right group/organisations to help you live independently.

Here's the thing... they've given you a roof over your head and a place to stay when you've got nothing else. You are lucky. You could be living on the street. They don't have to give you a home or a room, they don't have to help you with your child.
If they are so horrible that you can't stand living there and want to call your mother in law nasty names, then you need to move out. Not working full time isn't an excuse. If you're big enough and grown up enough to have a child and not want your in laws "taking control" then you're big enough to find a place of your own and make it work.

Sorry, are you complaining that his parents worked out that you are pregnant? Really? How is that their fault.

You, and your husband, not being able to get work is not your mother-in-law's fault (or your father-in-law's, or your parents'). Nor is it their fault that you had to go to MBU, or that you have financial difficulties.

You have given no reason for us to believe she is judgemental, other than that she is a Christian (that does not mean she is judgemental, you believing she is based on that, however, IS judgemental).

On your father-in-law's OCD- it's his house! Where else should he be allowed to have things go his way?

I am sorry that you are in such difficulty, and I hope you can get out of it soon.

But blaming everyone else ("judgemental" "Ahole" mother in law, "OCD father in law, unhelpful "as usual" parents, and "bossy" sister-in-law) is not going to help. It just makes you sound childish and ungrateful. At the end of the day, they have allowed you to live in their home.

Yeah...look...I get that you may be in an extremely frustrating situation. Feel free to vent. But keep in mind that you're living in someone else's home, which you are in no way entitled to do so.

My thoughts on your options:
1. Find a way to move out
2. Find a way to make living with your inlaws more bearable
3. Suck it up, acknowledge you're living in their house, treat them nicely, and vent when necessary in a way that won't affect them or make you appear entitled and ungrateful.

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